نتایج جستجو برای: ct scan
تعداد نتایج: 180359 فیلتر نتایج به سال:
سابقه و هدف: با توجه به اندیکاسیون کارگذاری پیچ های داخل پدیکل و آمار متفاوت فراوانی جاگذاری ناصحیح آن و عوامل مرتبط با آن در تحقیقات کشورهای خارجی به منظور تعیین فراوانی جاگذاری ناصحیح پیچ های داخل پدیکل و عوامل مرتبط با آن و نقش آن در پیش آگهی بیماران این تحقیق در مراجعین به بیمارستان امام حسین (ع) در سال های 1386- 1384 انجام شد. مواد و روش ها: تحقیق با طراحی case- series انجام گرفت. کلیه بیم...
Introduction: Accurate evaluation of femoral and tibial torsion is essential for children or adult with legs deformity, becuse incorrect legs morphogenesis can lead to pathological situation. CT scan is commonly used for the measurement of skeletal bone parameters. But, disability in imaging from standing and sitting posture and absorb dose of patients are deficits of this meth...
Background: The accuracy of reduction of ankle fractures using postoperative plain radiographies (x-ray) remainswidely controversial. Some authors have demonstrated that postoperative computed tomography (CT) scan can beuseful for these patients. In current study, the efficacy of x-rays after fixation of ankle fractures was investigated basedon the CT scan findings.Metho...
در این بررسی به روش گذشته نگر پرونده های بیماران در بیمارستان شهدا در ده سال اخیر مورد مطالعه قرار گرفته است. فاکتورهای مورد نظر عبارت بودند از: سن، جنس، شکایات و علائم بدو ورود به بیمارستان ، بیماری همراه یا فاکتور مستعد کننده ، بررسی ct scan بیماران، نوع درمان جراحی انجام شده و نتیجه کشت و اسمیر محتویات آبسه ها و یافته های آزمایشگاهی و آنتی بیوتیک مصرفی و نتیجه درمان. نتیجه این که شیوع نسبتا ...
background: this study set out to evaluate the utility of cerebrovascular virtual non-contrast (vnc) scans. materials and methods: conventional non-contrast (cnc) and dual-energy computed tomography angiography (de-cta) head scans were conducted on 100 subjects, of which 46 were normal, 15 had parenchymal hematomas of the brain, 13 had ischemic infarction, 22 had tumors, and 4 had calcified les...
Background: Due to the presence of radiosensitive organs in the abdominopelvic region and increasing the number of requests for CT scan examinations, concerns about increasing radiation doses in patients has been greatly elevated. Therefore, the goal of this study was to determine the absorbed dose of radiosensitive organs and the effective dose in patients underwent abdominopelvic CT scan usin...
abstract background cerebral neoplasm arises from brain, spinal cord and meningeal cells. not only malignant cerebral neoplasm also benign tumor could lead to death due to mass effect on vital structures. access to these tumors is difficult, and mri and ct scan could be helpful in determining anatomical location of tumors and distinction of malignant from benign. objective for better and earlie...
Background and purpose: Proper diagnosis of patients with COVID-19 is one of the challenges in medical centers. RT-PCR is the standard and reference test in diagnosis of patients with COVID-19. This study aimed at accelerating the correct diagnosis of COVID-19 and the diagnostic power of chest CT scan and RT-PCR. Materials and methods: This study was performed in 569 patients with COVID-19 adm...
Background: CT scan is one of the routine modalities in diagnosis of the pelvic fractures. An unanswered question is if CT scan can alter treatment plane of these fractures? Methods: At first, radiographs of 100 patients with fracture of the pelvic ring were evaluated by one surgeon and type of the fracture according to Young and Burgess classification and treatment plane (surgical or non-su...
background focused assessment with sonography for trauma (fast) is a precise, non-invasive, and low cost method to assess free abdominal fluid in trauma patients. objective this study assessed the relationship between free intra-abdominal fluid and organ injury in blunt abdominal trauma and designed a scoring system based on fast. patients and methods a total of 200 patients with blunt abdomina...
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